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#include <bits/stdc++.h>
using namespace std;
int main() {
double BMI, khoiluong, chieucao;
cin >> khoiluong >> chieucao;
BMI=khoiluong/(chieucao*2);
cout << BMI << endl;
return 0;
}
Chúc bn học tốt!
uses crt;
var a:array[1..100]of real;
n,i:integer;
kq:real;
begin
clrscr;
write('Nhap so ban hoc sinh:'); readln(n);
for i:=1 to n do
begin
write('Nhap can nang cua ban thu ',i,'='); readln(a[i]);
end;
kq:=0;
for i:=1 to n do
kq:=kq+a[i];
writeln('Can nang trung binh cua lop la: ',kq/n:4:2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long n,i,a[1000];
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
sort(a+1,a+n+1);
for (i=n; i>=1; i--) cout<<a[i]<<" ";
return 0;
}
Program HOC24;
var S: string;
d,i: byte;
begin
write('S= '); readln(s);
For i:= length(s) downto 1 do write(s[i]);
writeln;
while s[length(s)]=#32 do delete(s,length(s),1);
while pos(#32#32,s)<>0 do delete(s,pos(#32#32,s),1);
while s[1]=#32 do delete(s,1,1);
d:=0;
for i:=1 to length(s) do d:=d+1;
write('So tu :',d);
readln
end.
uses crt;
var s:string[200];
i,d,dem:integer;
begin
clrscr;
write('Nhap xau:'); readln(s);
d:=length(s);
write('Xau viet theo chieu nguoc la: ');
for i:=d downto 1 do
write(st[i]);
writeln;
dem:=0;
for i:=1 to d do
if st[i]=#32 then inc(dem);
writeln('So tu la: ',dem);
readln;
end.
uses crt;
var a,b,c:array[1..250]of integer; i,n,dem,dem1,sd,vtd,sa,vta,sdcc,sacc,vtd1,vtc1:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
dem1:=0;
for i:=1 to n do
begin
if a[i]>0 then
begin
dem:=dem+1;
b[dem]:=a[i];
end;
if a[i]<0 then
begin
inc(dem1);
c[dem1]:=a[i];
end;
end;
writeln('So duong dau tien trong day la: ',b[1]);
sd:=b[1];
vtd:=n;
for i:=n downto 1 do
if sd=a[i] then
begin
if vtd>i then vtd:=i;
end;
writeln('Chi so cua no la: ',vtd);
writeln('So am dau tien trong day la: ',c[1]);
sa:=c[1];
vta:=n;
for i:=n downto 1 do
if sa=a[i] then
begin
if vta>i then vta:=i;
end;
writeln('Chi so cua no la: ',vta);
writeln('So duong cuoi cung trong day la: ',b[dem]); sdcc:=b[dem];
vtd1:=1;
for i:=1 to n do
if sdcc=a[i] then
begin
if vtd1<i then vtd1:=i;
end;
writeln('Chi so cua no la: ',vtd1);
writeln('So am cuoi cung trong day la: ',c[dem]); sacc:=c[dem];
vtc1:=1;
for i:=1 to n do
if sacc=a[i] then
begin
if vtc1<i then vtc1:=i;
end;
writeln('Chi so cua no la: ',vtc1);
readln;
end.